# diffAssoc()
The diffAssoc method compares the collection against another collection or a plain object based on its keys and values. This method will return the key / value pairs in the original collection that are not present in the given collection:
const collection = collect({
color: 'orange',
type: 'fruit',
remain: 6,
});
const diff = collection.diffAssoc({
color: 'yellow',
type: 'fruit',
remain: 3,
used: 6,
});
diff.all();
// { color: 'orange', remain: 6 };
← diff() diffKeys() →